| Acronym | Definition |
|---|
| LTR➣Letter |
| LTR➣Later |
| LTR➣Long Terminal Repeat |
| LTR➣Long Term Relationship |
| LTR➣Left to Right |
| LTR➣letter size (US Postal Service) |
| LTR➣Low Thermal Resistance |
| LTR➣Littlerock (Amtrak station code; Littlerock, CA) |
| LTR➣Likelihood to Recommend (market research surveys) |
| LTR➣Language Temps Reel |
| LTR➣Learn to Ride (snowboarding) |
| LTR➣Local Twitch Respons (skeletal muscle fibers) |
| LTR➣Learn to Read (education) |
| LTR➣Load Task Register |
| LTR➣Learn to Row (rowing instruction) |
| LTR➣Logic Trunked Radio (trunked two-way radio) |
| LTR➣Long Term Research |
| LTR➣Lifetime Risk |
| LTR➣Loop Transfer Recovery |
| LTR➣Library Technology Reports (American Library Association publication) |
| LTR➣Light Tactical Rifle (gun) |
| LTR➣Long Term Romance |
| LTR➣Laser Tracker Receiver (Apache attack helicopter) |
| LTR➣Learn To Return |
| LTR➣Leisure Tyme Rentals, Inc. (Albemarle, NC) |
| LTR➣Little Theatre of the Rockies |
| LTR➣Lower Troposphere Radar |
| LTR➣Loss of Therapeutic Response (drug efficacy) |
| LTR➣Love Trust Respect |
| LTR➣Level Term Rider (life insurance) |
| LTR➣Lady To Ride |
| LTR➣Licensing Topical Report |
| LTR➣Long Term Requirement |
| LTR➣Land Tenure Regularisation |
| LTR➣Long-Term Return Rate (TL 9000) |
| LTR➣Lower Trunk Rotation (physical therapy) |
| LTR➣Light Tactical Raft |
| LTR➣Laser Transmitter Receiver (LANTIRN) |
| LTR➣Licensing Topical Reports |
| LTR➣Lead Technical Representative |
| LTR➣Light Transmission Ratio |
| LTR➣Laser Target Rangefinder |
| LTR➣Long-Term Recall (neuropsychology) |
| LTR➣Loving Tender Relationship |
| LTR➣Local Transaction Request (computer processing) |
| LTR➣Logistics Training Review |
| LTR➣Lossless Trace Reduction |
| LTR➣Local Travel Report (AMSEC) |
| LTR➣Loan against Trust Receipts |
| LTR➣Lepidoptera of Turkey (Centre for Entomological Studies Ankara project) |